for the third straight year, most foreign students one in four hail from china. 194,000 students, 23% increase in previous year. >> they are paying tens of thousands in tuition. they are very driven. >> aggressive recruiting brings challenges. chief among them is trouble with the language. at some schools they use head set for english to mandarin translation. at the university of san francisco that enrolls hundreds of students from china, an administrator got fed up and quit. dale smith was associate dean at the usf business school. and isn't talking. but according to account in "san francisco chronicle" he feared influx that it might dilute the educational experience for the business students. i'll a valid concern, say experts who suggest the admission board rely as much on rig louse language screening as on test scores. >> it could go smoothly. it takes training on part of the staff. >> elsewhere on campus, where the number of chinese students pursuing american education is on expected to grow. >> more and more students come and want an opportunity here. >> claudia cowen, fox news.